A woman who's main objective in life is to show of her body to Men. A Pinder has no morals, is usually stupid/ditzy and will do pretty much anything (especially sexual) to gain herself something or sometimes, just because(!)

A person who plays the same song over and over again until it is no longer enjoyable. A song killer.
Someone who regularily plays the same song multiple times within a 15 minute span would be condsidered a pinder.